Home / 425,196,938.47-637,657,537.56-162,867,530.47

Finding the Fourth Proportional to 425,196,938.47, 637,657,537.56 and 162,867,530.47

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Solution

The fourth proportional to 425,196,938.47, 637,657,537.56 and 162,867,530.47 is: 244,248,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,196,938.47 : 637,657,537.56 = 162,867,530.47 : x
  2. Step 2: Convert to fraction form
    425,196,938.47/637,657,537.56 = 162,867,530.47/x
  3. Step 3: Cross multiply
    425,196,938.47x = 637,657,537.56 × 162,867,530.47
  4. Step 4: Simplify right side
    425,196,938.47x = 103,853,708,427,978,464
  5. Step 5: Solve for x
    x = 103,853,708,427,978,464/425,196,938.47
  6. Step 6: Final answer
    x = 244,248,485.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.